Chamber Orchestra - Level 4 - Digital Download SKU: A0.1150812 By Alex Tinlin. By Johann Nepomuk Hummel. Arranged by Alex Tinlin. Classical. Score and parts. 134 pages. Alex Tinlin #750997. Published by Alex Tinlin (A0.1150812). My edition of Johann Nepomuk Hummels' Mandolin Concerto in G Major, originally composed for virtuoso mandolinist Bartholomeo Bortolazzi in 1799. I was assisted in editing the mandolin part by my mandolin-playing brother, Rolf Tinlin.